Fniberry® Cranberry Extract

Vaccinium macrocarpon – Standardized A-type Proanthocyanidins

A clinically supported cranberry extract standardized for A-type proanthocyanidins (PAC-A), developed for urinary tract, immune, and women’s health formulations.

Fniberry® Cranberry Extract delivers bioactive cranberry polyphenols that work through anti-adhesion and microbiome-mediated mechanisms, not simple antioxidant theory.

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What Makes Cranberry Unique?

Cranberry (Vaccinium macrocarpon) is one of the most extensively studied fruits for urinary tract health.

Unlike most berries, cranberry contains a unique class of A-type proanthocyanidins (PAC-A) that:

• Prevent pathogens from attaching to urinary tract walls

• Block biofilm formation

• Reduce bacterial colonization

• Support microbiome-driven protective metabolites

Clinical and mechanistic studies show cranberry does not kill bacteria — it prevents them from sticking.

This mechanism has been studied for decades and confirmed in modern pharmacokinetic and microbiome research.

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Why A-Type Proanthocyanidins Matter

Most polyphenols circulate in blood.
Cranberry PAC-A works in urine.

Clinical PK studies show that after ingestion:

• PACs themselves are transformed by gut microbiota

• Active metabolites (valerolactones, phenylpropanoic & benzoic acid derivatives) appear in urine

• These metabolites directly inhibit adhesion of:

  • Escherichia coli

  • Candida albicans

This explains why cranberry works in UTIs, even though intact PACs are rarely detected in blood or urine.

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Clinically Proven Anti-Adhesion Effect

Urinary pathogens cause infection by sticking to epithelial cells.

Human and ex-vivo studies show cranberry metabolites:

• Significantly reduce E. coli adhesion

• Inhibit Candida albicans biofilm formation

• Lower recurrence of UTIs

All tested phenyl-valerolactone derivatives (cranberry PAC metabolites) showed strong anti-adhesion activity against uropathogenic bacteria.

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Human Clinical Evidence

Two high-quality clinical studies demonstrated that standardized cranberry extract:

In post-catheter patients:

• Reduced urinary pain, urgency, frequency

• Eliminated bacteriuria and hematuria

• Prevented recurrence of UTIs

At 120–240 mg/day, UTI recurrence dropped to 0% over 3 months compared to 17–18% in control groups.

In diabetic post-menopausal women:

• 83% fewer UTIs vs placebo

• 80% fewer patients with recurrent infections

• Significant improvement in urinary comfort

Over 6 months, cranberry extract reduced UTI episodes from 6 → 1.

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5️⃣ Why Fniberry® Cranberry Extract

Fniberry® Cranberry Extract is standardized to A-type proanthocyanidins, ensuring:

• Reproducible clinical activity

• Stable formulation performance

• Regulatory-friendly specifications

• Batch-to-batch consistency

Unlike non-standardized cranberry powders or juices, Fniberry® delivers measured PAC-A bioactivity.

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6️⃣ Available Specifications

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7️⃣ Applications

Fniberry® Cranberry Extract is widely used in:

• Urinary tract health formulas

• Women’s health supplements

• Menopause support

• Probiotics & microbiome formulas

• Anti-adhesion blends

• Functional beverages

• Gummies & sachets

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8️⃣ Why Cranberry Works Better Than Antibiotics for Prevention

Antibiotics kill bacteria → resistance & microbiome damage.
Cranberry prevents adhesion → bacteria cannot colonize → no resistance.

This makes Fniberry® Cranberry Extract ideal for:

• Long-term prevention

• Recurrent UTI sufferers

• Sensitive populations

• Preventive wellness programs